baber/WOPTO huggingface dataset:
Patent EP-0418542-A2 (EP)
Inventor: BREHER RUDOLF
IPC: B29D29/08
Filed: 1990-08-10
Abstract: A toothed belt where the crown surfaces of its teeth are to be disposed on the bases of gear wheel grooves is provided. In order to achieve a dampened, low-noise running-up of the toothed belt upon the gear wheel, as well as to achieve a free-of-play filling of the gear wheel grooves via the belt teeth in the direction of rotation as required for a reversible belt drive, embedded in the crown surface of each tooth belt is a crown piece made of a material that is elastically softer than the belt material. Viewed in the longitudinal cross-section of the belt, the crown piece extends essentially over the entire length of the crown surface of the belt tooth and protrudes from the crown surface in such a way that as the tooth runs up on the gear wheel, first the part of the curved outer side that protrudes the most strikes the base of the gear wheel groove, and subsequently this outer side is pressed flat against the groove by the belt tension. The inner side of the crown piece that is connected with the belt material is profiled and extends into the material of the belt tooth in such a way that the crown piece, when it spreads in the circumferential direction of the belt due to the radial compression, spreads the belt tooth out  until both sides thereof contact the two sides of the gear wheel groove.
Patent EP-0420063-A2 (EP)
Inventor: TSUNETA KAZUYOSHI
IPC: C09D163/02
Filed: 1990-09-21
Abstract: A corrosion resistant coating composition comprising (i) 100 parts by weight of a bisphenol type epoxy resin comprising bisphenol skeletons and epichlorohydrin skeletons and having at least two epoxy groups per molecule, said bisphenol skeletons comprising bisphenol A skeletons and bisphenol F skeletons in a weight ratio of from 95:5 to 60:40, and (ii) from 5 to 400 parts by weight of silica particles.
Patent EP-0386981-A2 (EP)
Inventor: BARNES PETER
IPC: H04H20/76
Filed: 1990-03-05
Abstract: A coaxial network suitable for the distribution of video signals between a number of video cameras and signal monitors is described. The network includes a central symmetrical star splitter 1, each port of the central splitter being either terminated or connected to a respective asymmetrical splitter 7. A number of sockets are attached to each asymmetrical splitter 7. The network is such that the performance of each asymmetrical splitter is insensitive to the number of sockets attached to the asymmetrical splitter which are being used, terminated, or left open circuit.
Patent EP-0393863-A2 (EP)
Inventor: SAKUI KOJI C O INTELLECTUAL PR
IPC: G11C11/411
Filed: 1990-03-29
Abstract: A semiconductor memory device includes a plurality of memory cells each having a bipolar transistor (Q2) whose collector-emitter voltage V CE  is controlled according to the base potential to satisfy the condition of I BE  < I CB  when the forward base current in the base-emitter path and the reverse base current in the collector-base path are respectively expressed by I BE  and I CB  and a switching element (Q1) connected to the bipolar transistor, word lines (WLn), bit lines (BLn) and emitter electrode lines (VEn) connected to the memory cells, and functions as a dynamic memory cell in the data storing operation and as a gain memory cell in the readout operation.
Patent EP-0396388-A2 (EP)
Inventor: DEWING ERNEST W
IPC: C22C1/02
Filed: 1990-05-01
Abstract: A process is described for producing an aluminum grain refiner, such as Al-Ti-B grain refiner. Molten aluminum is continuously flowed as a bottom layer along a substan­tially horizontal or slightly inclined trough. Titanium or boron compounds reducible by aluminum or a mixture of such compounds is added to the surface of the aluminum layer such that a discrete separate layer of these is formed on top of the aluminum layer. Reaction between the aluminum and the titanium and/or boron compounds occurs along the interface between the layers and this reaction may, if desired, be aided by providing relative movement between the layer of molten aluminum and the layer of titanium and/or boron compounds. A surface layer of spent reaction product is removed and a stream of aluminum alloyed with titanium and boron is collected.
Patent EP-0402124-A2 (EP)
Inventor: NAKAGAWA TAKAFUMI CHUO KENKYUS
IPC: H05H7/00
Filed: 1990-06-06
Abstract: An apparatus for detecting the position of a charged particle in a duct pipe has a plurality of electrodes (2, 3, 4, 5) arranged in the duct pipe. Detection signals obtained in the electrodes are phase-delayed by predetermined amounts and then added (24) to form an integral detection signal. The integral detection signal is input to a circuit (14, 25 to 33) which determines waveforms representative of the passage of the charged particle: namely, the D.C. component of the detection signal, fundamental wave component and a phase-shifted fundamental wave component. The position of the charged particle are determined from these components. A part of each eleotrode (2, 3, 4, 5) is formed of a dielectric member (37). Each electrode and an associated connector (17) are covered by a double-shield structure (18, 39) with inner and outer shields, the electrode, the connector and the inner shield being electrically insulated from the duct pipe (18).
Patent EP-0427386-A2 (EP)
Inventor: KELLER EDWARD EUGENE
IPC: B05B7/16
Filed: 1990-09-13
Abstract: An improved high volume/low pressure spray gun for spraying liquids such as paint. The spray gun includes a nozzle (10) for mixing a liquid, such as paint in a solvent carrier, with a higher-than-atmospheric pressure gas, such as compressed air, and projecting the mixture towards the surface to be coated. The liquid is conveyed to the nozzle (10) through a tube. A valve, ordinarily operated by a manual trigger, turns liquid flow on or off. Compressed air is conveyed through a hose to a vortex tube (28), then from the vortex tube (28) to the nozzle (10). The vortex tube (28) receives compressed gas at a selected temperature, ordinarily room temperature, and divides it into a high volume warm stream sent to the nozzle and a cool stream which is ordinarily exhausted to the atmosphere. The resulting high volume, low pressure, warm propellant air produces improved painting quality with less overspray.
Patent EP-0431745-A2 (EP)
Inventor: MONTEAN SAMUEL C O MINNESOTA M
IPC: G08B13/24
Filed: 1990-10-29
Abstract: An apparatus for use with magnetically based electronic article surveillance systems employing certain types of markers includes a hollow core having a gap in its perimeter, a coil of wire wrapped around a portion of the core, and appropriate circuitry to drive the combination as an electromagnet. The gap configuration produces an external field of large intensity but limited range, such that the magnetizable portion of a marker is magnetized without affecting magnetic states of the article to which the marker is affixed. Depending on the nature of the circuit, the apparatus may be used as a desensitizer of such markers, or preferably as a resensitizer.
Patent EP-0464283-A2 (EP)
Inventor: MUEHRCKE ERIC B
IPC: G06F9/52
Filed: 1990-12-17
Abstract: In a communications system, it is common to allocate network resources such as trunks for video conferencing on a manual first come, first served basis. Obviously, it would be desirable to automate the allocation process. Notwithstanding, known processes to allocate a constrained common resource to meet the plurality of demands from a customer require excessive amounts of time. Furthermore, flexibility is needed to better serve the almost unpredictable needs and demands of the customers, who want and need to use the common resource. 
     There is disclosed a method and a system for allocating a constrained common resource among a plurality of demands for the resource. In response to a plurality of demands from a source, the network, which includes a plurality of customer sites, each customer site including one or more endpoints, each endpoint being connectable to to a switching system, the switching system being connectable to another switching system, comprises means for connecting a first endpoint through one or more switching systems to a second endpoint. The allocation arrangement receives demands (400) from a customer site for allocating the network for a communication among a plurality of customer sites and stratifies (500) the received demands in response to a grouping of endpoints to be conferenced at the customer sites. It can then allocate (600,700,800) the network resources to connect the endpoints to be conferenced in response to the stratified demand including generating setup and terminate times for each endpoint to be connected in a conference; reserving the endpoints to be connected in the conference; and generating a plurality of binding for signalling the network and the source as to success of connecting the endpoints to be conferenced over an ordered bus network. The arrangement also stratifies a customer's demand into sets of strategies for groupings of like endpoints; allocates network resources responsive to characteristics of the different groupings of like endpoints; for each strategy, generates the setup_times and terminate times for each endpoint and reserves the endpoints for a reservation and generates bindings. The arrangement also, for a first grouping of like endpoints such as codecs, alternate accesses, and offnets, extends a conference signal through a multiplexer or concentrator at a customer site over an access line to a homing DACS; while, for a second grouping of like endpoints such as audio bridges, extends a conference signal from a customer site to a central bridging DACS; while, for a third grouping of like endpoints such as VCCs, extends a conference signal from a customer sire to the network; means for generating a DMB sequence number for the reservation.
Patent EP-0448878-A2 (EP)
Inventor: BRAIN ARCHIBALD IAN JEREMY DR
IPC: A61M16/04
Filed: 1990-12-20
Abstract: An artificial airway device to facilitate lung ventilation in an unconscious patient, comprises a mask (12) having a flexible annular peripheral formation (14) of roughly elliptical shape capable of conforming to, and of readily fitting within, the actual and potential space behind the larynx so as to form a seal around the circumference of the laryngeal inlet without the device penetrating into the interior of the larynx, the annular peripheral formation surrounding a hollow interior space or lumen (18) of the mask (12) into which opens an airway conduit (22) whose length is of the same order as that of the mask (12). An airway tube (10) is connectable to the airway conduit (22) via a detachable connector (51), so that the mask (12) can be inserted into operative position in a patient  via  the mouth while the airway tube (10) can subsequently be inserted through the nose and connected to the airway conduit (22) by the detachable connecting means (50, 51).
Patent EP-0448903-A2 (EP)
Inventor: GARTLAND ROBERT JOHN
IPC: B60C13/00
Filed: 1990-12-18
Abstract: Tires having white sidewalls are very popular in the United States and Canada. This invention discloses a process for preparing such tires having decorative appliques thereon. By practicing the process of this invention, tires having better uniformity can be built at lower costs than when standard tire building techniques are utilized. This invention specifically relates to a method of preparing a pneumatic rubber tire having a decorative design on the sidewall thereof which comprises (a) applying the decorative design to the sidewall of a cured tire and (b) binding the decorative design to the sidewall by the application of heat and pressure; wherein the decorative design is comprised of from about 25 weight percent to about 75 weight percent syndiotactic 1,2-polybutadiene or blends of SPBD having melting points which are within the range of about 70°C to about 160°C and from about 25 weight percent to about 75 weight percent of at least one polydiene rubber which is blended with said syndiotactic 1,2-polybutadiene, at least one pigment or colorant, sulfur, and zinc oxide.
Patent EP-0446567-A2 (EP)
Inventor: STALIN ANN CHARLOTTE NIKITA
IPC: B29C44/12
Filed: 1990-11-20
Abstract: A plunger (10) for supporting a wall (46) of e.g. a refrigerator door on filling of expanding an hardening foamed plastic (52) on the other side of the wall shows an evacuated bag-formed part (18) filled with a particulate material (20), which part has a surface (42) showing an impression of the form of the wall (46). The plunger (10) is reshapable, so that it can serve as a plunger for walls (46) of different forms.
Patent EP-0440189-A2 (EP)
Inventor: MURO TSUNEAKI C O MITSUI PETRO
IPC: C09J123/08
Filed: 1991-01-30
Abstract: Disclosed is a hot-melt adhesive composition comprising (a) 20 to 70 parts by weight of a vinyl aromatic compound/conjugated diene copolymer or a hydrogenation product thereof, (b) 30 to 80 parts by weight of an alicyclic hydrocarbon resin tackifier, the total amount of the components (a) and (b) being 100 parts by weight, and (c) 0.3 to 20 parts by weight of a random copolymer of a cyclic olefin and ethylene.
Patent EP-0475197-A2 (EP)
Inventor: KASAHARA AKIHIRO
IPC: G11B23/00
Filed: 1991-08-28
Abstract: An optical disk includes a pair of disk-shaped substrates (52) and a pair of hubs (53). Each substrate has a recording region (50) for recording information and a center bore (52a). Each hub has a cylindrical body and collar portions (57) projecting radially from the outer circumference of the body. The hub is fixed to the corresponding substrate in such manner that the cylindrical body is fitted in the center bore and the collar portions are adhered to a surface of the substrate. The substrates fitted with the hubs are pasted together facing each other so that the collar portions are clamped between the substrates.
Patent EP-0473168-A2 (EP)
Inventor: KAZUYA ISHIWATA
IPC: G02F1/1335
Filed: 1991-08-29
Abstract: A liquid crystal device is formed by disposing a liquid crystal between a plurality of elongated first display electrodes on a first substrate and a plurality of elongated second display electrodes on a second substrate so as to form a pixel at each intersection of the first and second display electrodes. The spacings between the pixels are masked by a metal light-shielding mask disposed in lamination with the first display electrodes with an intermediate insulating film. The metal light-shielding mask is separated into a plurality of discrete metal masking films each allotted to a pixel at parts in alignment with at least one of first and second metal lead electrodes disposed along and in electrical contact with the first and second display electrodes. The structure is effective for preventing leakage light through a spacing between pixels without causing a short circuit between pixels, liquid crystal alignment disorder or peeling-off of the insulating film.
Patent EP-0480207-A2 (EP)
Inventor: CHADWICK DAVID E
IPC: G01N21/64
Filed: 1991-09-16
Abstract: A test system viewer for fluorescence evaluation has been designed to facilitate the simultaneous evaluation of multiple test samples, to provide consistency in the process for the evaluation of the fluorescence and to protect the operator from the harmful effects of the ultraviolet radiation associated with the viewer. 
     The viewer contains a base and a viewing shield, with the base having the fluorescent light source and an internal fluorescent standard. The viewing shield contains an internal ledge and a viewing area with a fixed viewing angle to the internal fluorescent standard. The internal ledge and the viewing angle cooperate to block ultraviolet rays from the fluorescent light source and to prevent the operator from directly viewing the light source during operation of the viewer. The use of a fixed light source, internal standard, viewing area and viewing angle insures observation consistency during the evaluation procedure.
Patent EP-0479070-A2 (EP)
Inventor: ALAGNA ETTORE
IPC: B08B3/12
Filed: 1991-09-20
Abstract: Mounting arrangement of an ultrasound transducer onto the wall plate of an ultrasound washing tank, wherein the transducer consists of a pair of piezoelectric ceramic disks (2,3), subjected to an electric field variable with an ultrasonic frequency, and of a pair of metallic resonance bodies (4,5) positioned to the sides of said piezoelectric disks (2;3). A first resonance body (5) and two piezoelectric disks (2,3) are mounted externally to the wall plate (1) of the washing tank, while a second resonance body (4) is mounted on the inner side of said wall plate (1), and a bolt (9) axially crosses said bodies (4,5) and disks (2,3) as well as a hole in said wall plate of the washing tank, so as to fix these elements together and onto the wall plate of the tank. A sealing and vibration damping ring gasket (10) is interposed between the inner surface of the wall plate (1) of the washing tank and the surface of the inner resonance body adhering thereto. 
     The size and shape of the resonance bodies are determined so that a central, nodal, vibration plane substantially coincides with the wall plate of the washing tank.
Patent EP-0477810-A2 (EP)
Inventor: NAKAYAMA RYOJI C O CHUO KENKYU
IPC: B22F9/02
Filed: 1991-09-23
Abstract: A R-Fe-B or R-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity, having powder particles. The powder particles each consist essentially of, in atomic percentage:
     R :   10 - 20% (R = rare earth element including Y )   B :   3 - 20%;     
    at least one element selected from the group consisting of Ti, V, Nb, Ta, Al, and Si : 0.001 - 5.0 %; and 
   Fe and inevitable impurities : the balance, 
   The R-Fe-Co-B magnet powder further contains 0.1 - 50% Co.
     The powder particles each have an aggregated recrystallized structure having a main phase thereof formed by a R₂Fe₁₄B or R₂(Co,Fe)₁₄B type intermetallic compound phase having a tetragonal structure. The intermetallic compound phase is formed of recrystallised grains aggregated therein and includes at least 50 volumetric % of recrytallized grains having a ratio b/a smaller than 2 provided that  a  is designated by the smallest diameter of each of the recrystallized grains, and  b  is by the largest diameter thereof. The recrystallized grains form the aggregated recrystallized structure having an average grain size within a range of 0.05 - 20µm.
Patent EP-0487034-A2 (EP)
Inventor: OKA YASUYUKI
IPC: G03B27/32
Filed: 1991-11-19
Abstract: When an input reproduction scale m is equal to m1a existing in a reproduction scale section m1, rated moving speeds U1a and U2a corresponding to the reproduction scale m and a resonance point avoidance coefficient k1 (=1) are read in, and practical moving speeds V1a (=k1 x U1a=U1a) and V2a (=k1 x U2a=U2a) of a holder 2 and a cylindrical drum 10 are determined with the above data. On the other hand, when the input reproduction scale m is equal to m2b existing in another reproduction scale section m2, rated moving speeds U1b and U2b corresponding to the reproduction scale m and a resonance point avoidance coefficient k2 (≠1) are read in, and practical moving speeds V1b (=k2 x U1b≠U1b) and V2b (=k2 x U2b≠U2b) are determined with the above data. While the reproduction scale corresponding to the ratio of the practical moving speeds V1b and V2b is maintained equal to the input reproduction scale m2b, the practical moving speed V1b is set as a moving speed of a movable speed area IB other than a non-use speed area IA.
Patent EP-0441614-A2 (EP)
Inventor: DEGI GREG A
IPC: H04N1/403
Filed: 1991-02-06
Abstract: In a document scanner (10) that is operating in the binary mode, the magnitude of the signal (19) that is generated for each picture element (PEL) of each document scan line is compared to the magnitude of a threshold signal (54). Either a binary 0 or a binary 1 (56) is generated as a result of this comparison. The threshold signal magnitude is dynamically established by a method and an apparatus that provides a stored history or histogram (60) of the various signal magnitudes that are generated for each PEL of a plurality of the document scan lines. Since the signal magnitude(s) that is provided by scanning the background, non-image, area of the document occurs the majority of the time within this histogram, the magnitude of this majority signal(s) is used to set the threshold signal magnitude. As a result, the PELS of the document's visible image are converted to a binary electronic image with a minimum loss of visual image content. The threshold signal magnitude is continuously established in this manner during the scanning of a document.
Patent EP-0443859-A2 (EP)
Inventor: SPARGO ROBERT MICHAEL SR
IPC: B26B3/04
Filed: 1991-02-21
Abstract: A device (10) for curling and shredding ribbon (34) includes a handle (12) having a recess for receiving the end of a thumb of a person grasping the device. A support member (18) extends from the handle (12) and supports a plurality of flat, planar blades (24) extending perpendicularly from the surface (20) of the support member (18). An inclined surface (28) forms a sharp edge (30) on one side of the support member, and a second inclined surface forms another sharp edge on the opposite side of the support member (18). The blades (24) are disposed side-by-side spaced apart and parallel to one another along the length of the support member (18), and each blade is oriented to extend in a direction transverse to the longitudinal axis of the sharp edges (30) formed by the inclined surfaces (28). Each blade (24) has a cutting edge (26) formed around the free edges thereof and formed by opposed convex surfaces having the same radius of curvature. A shield (32) is provided between the handle (12) and the support member (18) carrying the blades (24).
Patent EP-0447051-A2 (EP)
Inventor: MANDALIA BAIJU DHIRAJLAL
IPC: G06F12/06
Filed: 1991-02-25
Abstract: A word addressable random access memory is shown which has additional logic permitting accessing on bit boundaries during read/write operations requiring only one memory cycle. During each memory cycle, two "adjacent" word locations are selected for access concurrently in response to the decode of one address. Logic responsive to bit boundary select signals determine which memory cells of the two "adjacent" word locations are in fact accessed to store or retrieve a word of data. In one preferred embodiment, the boundary select logic controls the data in/out lines of a pair of odd/even arrays. In another preferred embodiment, the boundary select logic includes logic within each cell of a single memory array.
Patent EP-0452159-A2 (EP)
Inventor: TAKEMASA KAZUO
IPC: B65G35/06
Filed: 1991-04-15
Abstract: A parts tray conveying system including a first station for supplying a plurality of occupied (10) trays each containing parts under a stacked condition; a second station for separating the occupied trays under the stacked condition one by one from the upper stage; a third station for conveying the occupied trays; a device for taking an upper-most one of the occupied trays under the stacked condition from the second station to the third station; a fourth station for discharging a plurality of empty trays (10′) each containing no parts one by one from the third station; and a fifth station for stacking the empty trays discharged by the fourth station. Accordingly, a large number of the parts trays can be compactly set under the stacked condition in the conveying system to thereby effectively utilize a space in the conveying system.
Patent EP-0456495-A2 (EP)
Inventor: SIMONS F HOLMES
IPC: D01F6/62
Filed: 1991-05-09
Abstract: The instant invention is directed to a drawn polyester yarn. This yarn is characterized by an initial secant modulus greater than 150 grams per denier/100%. The yarn may be further characterized by either a shrinkage of less than 8% or a tenacity of greater than 7.5 grams per denier. Alternatively, the yarn is characterized by a tenacity of at least 10 grams per denier, an initial modulus of at least 120 grams per denier/100% and a shrinkage of less than 8%.